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InformationalSplunk security contentTeoderick Contreras +1

Windows MpCmdRun RemoveDefinitions Execution

This detection identifies the execution of MpCmdRun.exe with the "-RemoveDefinitions" argument, which is used to remove definitions from the Windows Malware Protection Engine. This behavior can be significant as it…

Description

This detection identifies the execution of MpCmdRun.exe with the "-RemoveDefinitions" argument, which is used to remove definitions from the Windows Malware Protection Engine. This behavior can be significant as it might indicate potential malware activity or attempts to bypass security measures.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
crowdstrike_processrollup2sysmon_eventid_1windows_event_log_security_4688

Known benign triggers

  • Administrators may execute this command for testing or auditing.

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